import { NumberExt, Shape, Path, Point } from '@antv/x6'

Shape.Path.define({
  title: 'Merge or Storage',
  shape: 'flowchart_merge_or_storage',
  overwrite: true,
  width: 100,
  height: 60,
  attrs: {
    body: {
      fill: '#fff',
      stroke: '#000',
      strokeWidth: 1,
      round: 0.1,
    },
  },
  attrHooks: {
    round: {
      set(v: number, { refBBox }) {
        const { width, height } = refBBox
        const dim = Math.min(width, height)
        let round = NumberExt.normalizePercentage(v, dim)
        if (round > dim / 2) {
          round = dim / 2
        }

        const points: Point.PointData[] = [
          [0, 0],
          [width, 0],
          [width / 2, height],
        ]

        return {
          d: Path.drawPoints(points, {
            round,
            close: true,
            initialMove: true,
          }),
        }
      },
    },
  },
})
